@@ -55,7 +55,9 @@ compatibility with older versions, see the :ref:`call-function-trio` section. |
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If *capture_output* is true, stdout and stderr will be captured. |
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When used, the internal :class:`Popen` object is automatically created with |
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``stdout=PIPE`` and ``stderr=PIPE``. The *stdout* and *stderr* arguments may |
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- not be supplied at the same time as *capture_output*. |
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+ not be supplied at the same time as *capture_output*. If you wish to capture |
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+ and combine both streams into one, use ``stdout=PIPE`` and ``stderr=STDOUT`` |
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+ instead of *capture_output*. |
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The *timeout* argument is passed to :meth:`Popen.communicate`. If the timeout |
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expires, the child process will be killed and waited for. The |